Remote control unit for intelligent digital audiovisual reproduction systems
US7293277B1 · kind B1 · utility
199Cited by
215References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 21, 1999 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | Jul 21, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/426
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a remote control unit for intelligent digital audiovisual reproduction systems, comprising storage means, payment means, a sound control circuit, display means and a metal chassis wherein said remote control unit comprises a distant radio frequency transmitter that is associated with a radio frequency receiver connected to the sound control circuit of the audiovisual reproduction system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.